Dynamic Characteristic Analysis of Irregularity under Turnout by Vehicle-Turnout Rigid-Flexible Coupling Model

Meng Chen; Yan Yun Luo; Bin Zhang

doi:10.4028/www.scientific.net/AMR.945-949.591

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 945-949Dynamic Characteristic Analysis of Irregularity...

Dynamic Characteristic Analysis of Irregularity under Turnout by Vehicle-Turnout Rigid-Flexible Coupling Model

Abstract:

Finite element model of track in frog zone is built by vehicle-turnout system dynamics. Considering variation of rail section and elastic support, bending deformation of turnout sleeper, spacer block and sharing pad effects, the track integral rigidity distribution in longitudinal direction is calculated in the model. Vehicle-turnout rigid-flexible coupling model is built by finite element method (FEM), multi-body system (MBS) dynamics and Hertz contact theory. With the regularity solution that different stiffness is applied for rubber pad under sharing pad of different turnout sleeper zone, analysis the variation of vertical acceleration of bogie and wheelset, rail vertical displacement and wheel-rail interaction force, this paper proves that setting reasonable rubber pad stiffness is an efficient method to solve rigidity irregularity problem.

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Periodical:

Advanced Materials Research (Volumes 945-949)

Pages:

591-595

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.945-949.591

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Cite this paper

Online since:

June 2014

Authors:

Meng Chen*, Yan Yun Luo, Bin Zhang

Keywords:

Dynamic Characteristic, Finite Element Method (FEM), Multi-Body System, Turnout

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* - Corresponding Author

References

[1] Bin Zhang: Research on Dynamics of Irregularity under Rail in Turnout District by Co-simulation of Rigid-Flexible Coupling System (MS. Tongji University, China 2014).

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[4] E Kassa, J Johansson: Vehicle System Dynamics (2006).

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[5] China Railway Baoji Bridge Group CO., LTD: Railway Turnout Parameter Manual (China Railway Press, China 2009).

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